/* Arnaud Malpas groupe 2101*/
#include <stdio.h>
#include <stdlib.h>
#include <math.h>

int main()
{
    float a,b,c,delta,delta1,equation,temp;

    printf("Resoudre une equation de type ax²+bx+c=0\n");
    printf("Entrez la valeur de a\n");
    scanf("%f",&a);

    printf("Entrez la valeur de b\n");
    scanf("%f",&b);

    printf("Entrez la valeur de c\n");
    scanf("%f",&c);

    delta = (b*b)-(4*a*c);

    if(delta==0)
    {
        delta = (-b)/(2*a);
        printf("Delta vaut %f",delta);
    }
    if(delta>0)
    {
        temp=delta;
        delta = (-b+sqrt(temp))/2*a;
        delta1 = (-b+sqrt(-temp))/2*a;
        printf("Delta vaut %f et %f",delta,delta1);

    }
    else
    {
        printf("Delta negatif, equation impossible");
    }


    return 0;
}